In solid cone nozzle the solid cone of liquid is formed due to:
A.Bigger size of the organic plate
B.Bigger size of the organic plate
C.Central hole of swirl plate
D.Small size of the strainer
Category: Agriculture Entomology Mcqs
Insecticide having antagonistic effect with NPV:
A.DDT
B.Aldrin
C.Endosulfan
D.Malathion
Black scale insect of citrus is controlled by:
A.Metaphycus loundsbury
B.Rodolia cardinalis
C.Both of them
D.None of them
Basic unit of classification is known:
A.Species
B.Genus
C.Family
D.Order
Giving complete coverage to one hectare of crop by spraying 60 to 250 litres of liiquids, is known as:
A.Low volume spray
B.Very low volume spray
C.Medium volume spray
D.High volume spray
Carbon disulphide control:
A.Nematodes
B.Fusarium
C.Virus
D.All of these
Fully recovered patient may develop full-grown symptoms of poisoning as long as a month after the initial poisoning in the case of:
A.DDT
B.BHC
C.Aldrin
D.Heptachlor
Berlese’s theory was proposed to explain the orign of:
A.Egg stage
B.Larval stage
C.Pupal stage
D.Abdult stage
Alxillary sclerites are absent in:
A.Lepidoptera
B.Coleoptera
C.Odonata
D.Distyoptera
Insects feeding on plants of several genera within a family are called:
A.Phytophagous
B.Polyphagous
C.Oligophagous
D.Monophgous
